User Manual

32 CHAPTER 5: TROUBLESHOOTING
The Ethernet Bridge LED indicates the following:
Using the Tools
Window
In the Tools window you can change your password, run diagnostics, or upgrade
the Ethernet Bridge firmware. If you have 3Com Administrator Utilities, you can
also connect to the access point and perform management administration
functions.
See the following topics for more information:
■ “Changing Your Password” on page 29
■ “Running Diagnostics” on page 29
■ “Upgrading Ethernet Bridge Firmware” on page 36
Client cannot associate with an
access point.
In the WLAN Launcher
window, you see a red dotted
line with an X.
Diagnostic network connection
test fails.
Click the Padlock icon to display Security/Network settings.
Make sure that the WLAN Service Area set on the client
matches that set on the access point. Or, set the client to
Attach to any WLAN Service Area.
Make sure that encryption is set up correctly and matches
security set on the access point. See “Changing Network and
Security Settings” on page 23 and “40-bit Shared Key (Wi-Fi)
Encryption Settings” on page 24.
If you are associating with a 3Com AirConnect
®
access point,
make sure that the Short RF Preamble parameter is disabled
on the access point.
There is no network association
when the computer becomes
active again after being in
sleep mode or after the client is
removed and reinserted.
Log out and log in again, or restart the computer to restore
the connections.
Client cannot communicate
with the network.
Make sure that fixed IP settings are correct.
If you are connecting to a wired network, make sure that the
access point you are associated with is connected to the
wired network.
If you are using a DHCP server, release/renew the IP address.
Client is not working under
Windows NT.
Make sure CardWizard or Softex Card Executive is installed.
Condition Description
Off The computer does not recognize the Ethernet Bridge.
On, but not blinking The computer recognizes the Ethernet Bridge, but the card is not
functioning.
Blinking The Ethernet Bridge is operating. The blink speed ranges from
approximately once every 2.5 seconds to approximately 10 times per
second. Slow blinking indicates that the client is either not associated
to an access point or is associated at a slow rate. Fast blinking indicates
a good network association and fast transmission.
Symptom Solutions